This carbon saddle is very light, and is like new. I put 374 miles on it before deciding to go a different route. Manufacturer's info page found here. $85 takes it. I also have a Thomson carbon rail adapter I'd kick in for an additional $10 if you happen to be running a Thomson seatpost.
Size: S2 - 131mm x 275mm
Weight: 132 grams
Rails: CarboKeramic 7x9mm